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Material world: Graphene's versatility promises new applications

... Although theoretical work on single atomic layer graphene-like structures has been going on for ... similar to photons, zipping across a graphene layer without scattering. This property is critical for ... The sensitivity of graphene's single atomic layer geometry and low capacitance promise a ...

High-Tech 'Smart' Face Mask Helps Hong Kong Families Combat Swine Flu

... in its internal structure a unique active layer which has highly targeted anti-microbial properties. This active layer aggressively detects, traps, and then rapidly ... This patented BioFriend(TM) textile layer CAPTURES pathogens by mimicking the sites on ...

Unexpectedly long-range effects in advanced magnetic devices

... Robert Shull. The key trick is to cover a thin layer of a ferromagnetic material, in which the ... in the same direction, with an antiferromagnetic layer in which the spins tend to orient in opposite directions. By itself, the ferromagnetic layer will tend to magnetize in the direction of an ...

Australia: Face Mask That Kills Swine Flu Readied for Australian Pandemic Fight

... in its internal structure a unique active layer which has highly targeted anti-microbial properties. This active layer aggressively detects, traps, and then rapidly ... This patented BioFriend(TM) textile layer CAPTURES pathogens by mimicking the sites on ...

Hong Kong Biotech Company, Filligent, Announces CE Certification of Its Revolutionary, Anti-Infective Medical Face Mask, the BioMask

... in its internal structure a unique active layer which has highly targeted anti-microbial properties. This active layer aggressively detects, traps, and then rapidly ... This patented BioFriend(TM) textile layer CAPTURES pathogens by mimicking the sites on ...

Nanotechnology makes supertelescopes much more sensitive

... which are separated by an insulating layer measuring 1 to 2 nanometres, usually of aluminium ... However, it is impossible to avoid a very thin layer of 1 nanometre of aluminium oxide 'leaking' in ... with spectacular results. An aluminium nitride layer proves to be much more homogeneous and its ...

DuPont Launches Innovative Renewably Sourced Material for Carpet Cushion

... cushioning technology, DuPont's™ Active layer RS moisture barrier film is laminated to the top ... announced it has introduced DuPont™ Active layer RS renewably sourced moisture barrier films for use in carpet cushioning. Active layer RS films contain a minimum of 20 percent ...

Solar power game-changer: 'Near perfect' absorption of sunlight, from all angles

... one on top of the other, in such a way that each layer enhances the antireflective properties of the layer below it. These additional layers also help to ... antireflective properties. This means that each layer not only transmits sunlight, it also helps to ...

Scientists engineer superconducting thin films

... produced two-layer thin films where neither layer is superconducting on its own, but which exhibit ... within an extremely thin, 1-2-nanometer-thick layer near the physical boundary between the two ... in all possible combinations and of varying layer thickness. The films were grown in a unique ...

A phonon floodgate in monolayer carbon

... of electrons tunneling into graphene's single layer of atoms. Michael Crommie, a faculty ... underlying substrate consisting of a conducting layer of silicon, which was separated from the flake by an insulating layer of silicon dioxide. The experimental setup was ...

Advance brings low-cost, bright LED lighting closer to reality

... the silicon substrate with a built-in reflective layer of zirconium nitride. "When the LED emits ... solved this problem by placing an insulating layer of aluminum nitride between the silicon substrate ... in the devices and prevent the gallium nitride layer from cracking as the silicon wafer cools down ...

Research helps understand factors that influence efficiency of organic-based devices

... diodes, require a transparent conductive layer with a high work function, meaning it promotes injection of electron holes into an organic layer to produce more light. Research presented on ... and negative charge carriers into the organic layer is important to achieve high quantum efficiency, ...

On the boil: New nano technique significantly boosts boiling efficiency

... Institute shows that by adding an invisible layer of the nanomaterials to the bottom of a metal ... Koratkar and his team found that by depositing a layer of copper nanorods on the surface of a copper ... and inexpensive to treat those components with a layer of copper nanorods," Koratkar said, noting that ...

New efficiency record for solar cells

... by the use of an ultra-thin aluminum oxide layer at the front of the cell, and it brings a ... of solar energy. The costs of applying the thin layer of aluminum oxide are expected to be relatively ... in efficiency by depositing an ultra-thin layer (approximately 30 nanometer) of aluminum oxide on ...

Nanoengineered barrier invented to protect plastic electronics from water degradation

... oxygen molecules seep past the protective plastic layer over time and degrades the organic materials ... the barrier films. The design has a special layer of nanoparticles between the pinhole oxide ... plug the gaps and cracks in the oxide layer thus making for a more impermeable layer. In ...

Foldable and stretchable, silicon circuits conform to many shapes

... the researchers begin by applying a sacrificial layer of polymer to a rigid carrier substrate. On top of the sacrificial layer they deposit a very thin plastic coating, which ... of a human hair. Next, the sacrificial polymer layer is washed away, and the plastic coating and ...

NIST team proves bridge from conventional to molecular electronics possible

... Society,* a NIST team demonstrates that a single layer of organic molecules can be assembled on the same ... resistorusing the same techniques. A single layer of simple chains of carbon atoms tethered on ... wells on the silicon substrate and capped with a layer of silver to form the top electrical contact. The ...

Special coating greatly improves solar cell performance

... a bulk-heterojunction cell. This cell utilizes a layer consisting of a mixture of a semiconducting ... interface between the polymer-fullerene active layer and the correct electrode to carry away the ... a very thin (5 to 10 nanometers thick) and smooth layer of nickel oxide. This material is an excellent ...

Fiber-based nanotechnology in clothing could harvest energy from physical movement

... begins with coating a 100-nanometer seed layer of zinc oxide onto the Kevlar using magnetron ... which causes nanowires to grow from the seed layer at a temperature of 80 degrees Celsius. The ... Finally, the researchers apply a 300 nanometer layer of gold to some of the nanowire-covered Kevlar. ...

Nanopillars promise cheap, efficient, flexible solar cells

... In the same furnace they submerged the nanopillars, once grown, in a thin layer of hole-rich cadmium telluride, which acted as a window to collect the ... same design by etching away the aluminum substrate and substituting a thin layer of indium for the bottom electrode. They sheathed the whole solar cell in ...

Bilayer graphene gets a bandgap

... used a silicon substrate as the bottom gate, with a thin insulating layer of silicon dioxide between it and the stacked graphene layers. A transparent layer of aluminum oxide (sapphire) lay over the graphene bilayer; on top of that ...

Graphene yields secrets to its extraordinary properties

... physical phenomena and properties associated with graphene, a single layer of carbon atoms arrayed in a repeating, honeycomb-like arrangement. ... in action, using a specialized NIST instrument to zoom in on the graphene layer at a billion times magnification, tracking the electronic states while at ...

MIT: New method could lead to narrower chip patterns

... material are formed interspersed with the opaque material. This banded layer then serves as a mask through which the first wavelength illuminates a layer of material underneath, similarly to the way a photographic negative is ...

Bristly spheres as capsules

... inorganic nanoparticle at the core surrounded by a bristle-like layer of hydrophilic polymer chains. The inorganic nanoparticles are made of ... ensemble of cores is, as a whole, surrounded by a sufficiently dense layer of bristles, which acts as a shield toward additional particles. Cores ...

Domain walls that conduct electricity

... encouraged the growth of high-quality bismuth ferrite films. (A thin layer of a different compound, strontium ruthenium oxide (SrRuO3), was first ... only two nanometers wide! It's like shoving a graphene sheet" a single layer of carbon atoms with remarkable conductive properties "right down into a ...

A supercharged metal-ion generator

... (sputter) metal atoms. Most of the acceleration happens in a thin boundary layer called the sheath, a layer where the electric field is concentrated between the target surface and ...

Contour Products Introduces Groundbreaking Sleep Apnea, Respiratory and Ergonomic Body Comfort Pillows at Medtrade; Self-Explanatory Products Serve Customer Needs, Expand Retailers DME Offerings

... clean, dry, breathable support with the combination of a unique 3-D mesh layer made of 99% air and a premium-grade memory foam core. Perspiration passes through the mesh layer and air circulates under the head and neck. This pillow is ideal for ...

Dry adhesive based on carbon nanotubes gets stronger, with directional gripping ability

... nanotubes, the initial segments grew in random directions and formed a top layer of coiled and entangled nanotubes. This layer helped to increase the nanotube area available for contacting a surface. ...

A new material could act as a nanofridge for microchips

... fashion on consecutive layers. In other words, the dots on one layer would not be vertically aligned with those of the lower layer. This is achieved by introducing a small sub-layer of carbon between each layer of silicon and Ge nanodots, which hides the information of the quantum ...

Researchers decode viral process that prepares cells for HIV infection

... is then used to cut through the cortical actin cytoskeleton (the circular layer that lies just beneath the cell's outer membrane). "Similar to a human ... and provides a force that allows the cell to migrate. For the virus, this layer also presents a barrier," says Wu. "We never understood how the virus ...

A first in integrated nanowire sensor circuitry

... between nanowires, the process is self-limited to the transfer of only one layer of nanowires. The printed nanowires are highly aligned in the direction of ... substrate," Javey says. "The pattern for the device was on a photoresist layer coated on the substrate. First we printed the cadmium selenide nanowires ...

Study reveals principles behind stability and electronic properties of gold nanoclusters

... of organic sulfur ("thiolate") groups extracted gold atoms from the gold layer to form a linear thiolate-gold-thiolate bridge while interacting weakly ... gold contained a central metallic core of 14 gold atoms and a protective layer of 24 gold atoms bound to sulfur. "In 2006, we predicted that gold ...

Perfecting a solar cell by adding imperfections

... of Columbia University decided to use carbon nanotubes to create a single layer that could perform the functions of both the oxide and platinum layers. ... and conductivity, the researchers tried another trick on a bottom layer of tubes: they created carbon nanotubes that were longer. This improved ...

Nanowires may boost solar cell efficiency, UC San Diego engineers say

... using specially prepared substrates such as gold nanodrops. Just a layer of metal can work. In this paper we used ITO, but you can use other ... ends. At this point, the holes are forced to travel through a thin polymer layer before reaching their electrode. Todays thin-film polymer photovoltaics ...

Assembly technique for tiny wires may eventually help detect cancer and other diseases

... To create the bottom-up diving board resonators, the researchers used a layer of photoresist a light-sensitive material which, when exposed to light, ... the depressions, the researchers switch to a top-down approach, placing a layer of a different photoresist on top of the chip and removing a small cube of ...

ORNL super water repellent could cause big wave in market

... surface. The ORNL nano-structured material maintains a microscopic layer of air on surfaces even when submerged in water, resulting in a profound ... a very good electrical insulator. In addition, since the powder creates a layer of air between the coated substrate and any water on the surface, ...

Sol-gel inks produce complex shapes with nanoscale features

... precisely directs the path. After the pattern for the first layer is complete, the nozzle is raised and another layer is deposited. This process is repeated until the desired shape is ....

Researchers improve ability to write and store information on electronic devices

... one of the two layers remains polarized in a constant direction, the other layer becomes polarized through the application of an external magnetic field either in the same direction as the top layer (for a "0") or in the opposite direction (for a "1"). Traditionally, ...

PacificGMP and USC to Collaborate on Recombinant Protein Development and Manufacturing for Phase 1 Clinical Trial

... and Director of the Residency Training Program in Dermatology. "Skin in children with DEB lacks anchoring fibrils that normally connect the epidermal layer of the skin to the dermis causing the skin's layers to separate, blister and slough off at the slightest insult or injury. There are currently only ...

UCR scientists manipulate ripples in graphene, enabling strain-based graphene electronics

... of a broad array of existing and future research." Proposed to supplement or replace silicon as the main electronic material, graphene is a single layer of graphite. Even though graphite has been studied for decades, the single sheet first was isolated experimentally only in 2004. Graphene's structure ...
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